Terahertz laser for sensing and imaging outperforms its predecessors

The laser’s novel design pairs multiple semiconductor-based, efficient wire lasers and forces them to

Researchers develop two-dimensional optical filter array-based small-scale spectrometer using digital signal processing technology

The research team designed and manufactured a small spectrometer that can fit in a hand which can measure the intensity …

Will light be the basis for quantum computing?

Using a compact optical platform that exploits the quantum characteristics of light, Professor Roberto Morandotti and hi…

Harnessing the power of 'spin orbit' coupling in silicon: Scaling up quantum computation

Using the electric dipole coupling between qubits means they can be placed further apart, thereby providing flexibility …

II-VI Incorporated Introduces HIGHmotion 2D Remote Processing Head for Electric Car Battery Laser Welding

The HIGHmotion 2D is available with two optical system magnification variants and a broad set of accessories and modules…



Caltech Startup Aims to Make Solar Panels More Efficient

The technology, which is being marketed by a new startup company—ETC Solar, LLC—could potentially improve the output of solar panels by about 5 percent, regardless of the type of photovoltaic material used to make the panels

Thomas Russell and Harry Atwater

Polymer Coating Cools Down Buildings

Columbia Engineers make white paint whiter—and cooler—by removing white pigment and invent a polymer coating, with nano-to-microscale air voids, that acts as a spontaneous air cooler and can be fabricated, dyed, and applied like paint.